There are
1,440 mi
from Amarillo, TX to Oroville, CA
That's the driving distance. It would take 1 day 1 hour to go from Amarillo, Texas to Oroville, California.
The flight distance (direct flight from Amarillo, TX to Oroville, CA) is 1,120.42 mi.
1,440 mi = 2,316.85 kms